The National Park Service has endorsed the planned location and size of President Donald Trump’s proposed 250-foot Triumphal Arch, despite acknowledging that it would have adverse effects on historic sites and sightlines in Washington, D.C. The arch is intended to commemorate 250 years of American independence and is set to be constructed at Memorial Circle near Arlington National Cemetery. Although the agency recognizes its impact on the city’s skyline and surrounding landmarks, it believes the arch fits within the historic planning context of the area.

Trump first unveiled the idea for the arch last year, and it has sparked notable opposition from lawmakers, veterans, and conservationists concerned about both its scale and the disruption it could cause to local traffic. At 250 feet tall, the arch would stand more than twice as tall as the Lincoln Memorial. According to the National Historic Preservation Act, the Park Service evaluated the project’s effects on dozens of historic properties, including the Lincoln Memorial and the Washington Monument, primarily related to changes in views and sightlines rather than physical damage.

The agency’s report explained that alternative locations for the arch might lessen some adverse visual effects but would detach the project from the historic significance tied to Memorial Circle's original design as a monumental gateway near Arlington National Cemetery. They also pointed out that smaller versions of the arch would actually block key views between the Lincoln Memorial and the cemetery more than the proposed full-scale version, which frames the sightline through its central opening.

During the public consultation process, the Park Service gathered significant input with over 100,000 comments in June and an additional 6,254 in July. Despite the widespread public debate and opposition, the National Park Service maintains its support for the arch’s planned dimensions and placement, emphasizing its role in continuing the historic narrative of the site while marking a national milestone.